Precautions For Wireless Remote Controller Operation - Mitsubishi Heavy Industries SRK25QA-S Technical Manual

Moving or removing the appliance
○ In order to meet the requirement of environmental protection, pump down (recovering
refrigerant) is required.
○ The effect of pump down is to return the refrigerant from the indoor unit to the outdoor unit
when the pipes are removed from the main frame. (Pump down method)
① Connect the charge hose to the service port.
② Liquid side: Close the liquid valve with a hexagon wrench.
Gas side: Fully open the gas valve
Cooling operation (If the room temperature is too low, run the HI POWER cooling.)
③ When the pressure gauge indicates 0.01Mpa, stop cooling and close the gas valve.
Safe disposal of product after the useful life
● The safe, comfortable useful life of the product is 10 years.
● Some products may be used even after the normal useful life is expired.
● For the destruction or disposal of the product and waste after the useful life has expired, the
impact on safety and environment must be considered.
Installation test check points
Check the following points after completion of the installation, and before turning on the
power. Conduct a test run and ensure that the unit operates properly.
At the same time, explain to the customer how to use the unit and how to take care of the unit
following the installation manual.
After installation
□ The power supply voltage is correct as the rating.
□ No gas leaks from the joints of the operation
valve.
□ Power cables and crossover wires are securely
fixed to the terminal block.
□ Operation valve is fully open.
□ The pipe joints for indoor and outdoor pipes have
been insulated.
When the air conditioner is restarted or
when changing the operation, the unit
will not start operating for approximately
3minutes. This is to protect the unit and it
is not a malfunction.

5.5 Precautions for wireless remote controller operation:

(1) Effective distance of wireless remote controller:
Wireless remote
controller
5 m or less
(2) Precautions:
① The remote controller should be correctly facing the receiver of the air conditioner for
manipulation.
② The typical coverage is indicated in the left illustration. It may be increased or decreased
depending on the installation.
③ The coverage may be decreased or even nil, if the receiver is exposed to strong light, such
as direct sunlight, illumination, etc., or covered by dust or used behind a curtain, etc.
Test run
□ Air conditioning and heating are normal.
□ No abnormal noise.
□ Water drains smoothly.
□ Protective functions are not working.
□ The remote control is normal.
□ Operation of the unit has been explained to the
customer.
(Three-minute restart preventive timer)
30° or
30° or
less
less
60° or less
-31-
Receiver
Remote control is
possible within this range